diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index fe7efa42..5b09b36d 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -6777,7 +6777,7 @@ uint64_t wallet2::select_indices_for_transfer(std::vector<uint64_t>& selected_in
   return found_money;
 }
 //----------------------------------------------------------------------------------------------------
-bool wallet2::is_transfer_ready_to_go(const transfer_details& td, uint64_t fake_outputs_count)
+bool wallet2::is_transfer_ready_to_go(const transfer_details& td, uint64_t fake_outputs_count) const
 {
   if (is_transfer_able_to_go(td, fake_outputs_count) && is_transfer_unlocked(td))
   {
@@ -6786,7 +6786,7 @@ bool wallet2::is_transfer_ready_to_go(const transfer_details& td, uint64_t fake_
   return false;
 }
 //----------------------------------------------------------------------------------------------------
-bool wallet2::is_transfer_able_to_go(const transfer_details& td, uint64_t fake_outputs_count)
+bool wallet2::is_transfer_able_to_go(const transfer_details& td, uint64_t fake_outputs_count) const
 {
   if (!td.is_spendable())
     return false;
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index b0c55331..c5c0022d 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -576,8 +576,8 @@ namespace tools
       wallet2_base_state::serialize(a, ver);
     }
 
-    bool is_transfer_ready_to_go(const transfer_details& td, uint64_t fake_outputs_count);
-    bool is_transfer_able_to_go(const transfer_details& td, uint64_t fake_outputs_count);
+    bool is_transfer_ready_to_go(const transfer_details& td, uint64_t fake_outputs_count) const;
+    bool is_transfer_able_to_go(const transfer_details& td, uint64_t fake_outputs_count) const;
     uint64_t select_indices_for_transfer(std::vector<uint64_t>& ind, free_amounts_cache_type& found_free_amounts, uint64_t needed_money, uint64_t fake_outputs_count);
     bool select_indices_for_transfer(assets_selection_context& needed_money_map, uint64_t fake_outputs_count, std::vector<uint64_t>& selected_indexes);